In Galápagos,
Giant daisies shape anew—
Genes weave their stories.
Giant daisies shape anew—
Genes weave their stories.
More than 150 years after Darwin’s finches helped reshape biology, Galápagos plants are exposing another evolutionary surprise. Giant daisies repeatedly developed similar heat-tolerant leaf shapes, but each lineage used a different combination of genes. Researchers also found major genetic differences among isolated populations, suggesting new…